| Rank | Student | School | Years | | FTM | FTA | FT% |
| 1 | Timothy Fick | Blair Oaks | 2014-2017 | | 176 | 196 | 89.8% |
| 2 | Peter DeMaster | Westminster Christian Academy | 1994-1995 | | 143 | 160 | 89.4% |
| 3 | Neal Lyon | Orchard Farm | 2010-2012 | | 130 | 148 | 87.8% |
| 4 | Tate Unruh | Branson | 2005-2009 | | 110 | 126 | 87.3% |
| 5 | Chris Gerleman | Marion C. Early | 2000-2002 | | 172 | 202 | 85.1% |
| 6 | Damon Burrows | Dixon | 2007-2011 | | 165 | 203 | 81.3% |
| 7 | Alec J Patterson | Chilhowee | 2015-2017 | | 178 | 223 | 79.8% |
| 8 | Jon Ekey | William Chrisman | 2005-2009 | | 153 | 192 | 79.7% |
| 9 | Austin Bredow | Lutheran (St. Charles) | 1995-1996 | | 151 | 191 | 79.1% |
| 10 | Tim Fitzpatrick | Nixa | 1981-1983 | | 190 | 243 | 78.2% |
| 11 | Randy Towe | Nixa | 1972-1974 | | 132 | 171 | 77.2% |